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Another try at fixing swscale on win64, as per r31153.
Don't change paramater passing, but instead use casts. Shouldn't affect asm output on anything other than win64. libswscale should work on win64 now. The rest of ffmpeg still isn't win64 compatible due to the issue of xmm clobbers, but swscale doesn't use any SSE. Patch by Anton Mitrofanov <BugMaster AT narod DOT ru>. Originally committed as revision 31751 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
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@ -80,7 +80,7 @@
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"mov (%%"REG_d"), %%"REG_S" \n\t"\
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"jb 1b \n\t"\
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:: "r" (&c->redDither),\
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"r" (dest), "g" (width)\
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"r" (dest), "g" ((x86_reg)width)\
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: "%"REG_a, "%"REG_d, "%"REG_S\
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);
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@ -142,7 +142,7 @@
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"mov (%%"REG_d"), %%"REG_S" \n\t"\
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"jb 1b \n\t"\
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:: "r" (&c->redDither),\
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"r" (dest), "g" (width)\
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"r" (dest), "g" ((x86_reg)width)\
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: "%"REG_a, "%"REG_d, "%"REG_S\
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);
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@ -180,7 +180,7 @@
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/*
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:: "m" (-lumFilterSize), "m" (-chrFilterSize),
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"m" (lumMmxFilter+lumFilterSize*4), "m" (chrMmxFilter+chrFilterSize*4),
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"r" (dest), "m" (dstW),
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"r" (dest), "m" (dstW_reg),
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"m" (lumSrc+lumFilterSize), "m" (chrSrc+chrFilterSize)
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: "%eax", "%ebx", "%ecx", "%edx", "%esi"
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*/
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@ -234,7 +234,7 @@
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#define YSCALEYUV2PACKEDX_END \
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:: "r" (&c->redDither), \
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"m" (dummy), "m" (dummy), "m" (dummy),\
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"r" (dest), "m" (dstW) \
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"r" (dest), "m" (dstW_reg) \
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: "%"REG_a, "%"REG_d, "%"REG_S \
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);
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@ -1025,6 +1025,7 @@ static inline void RENAME(yuv2packedX)(SwsContext *c, const int16_t *lumFilter,
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{
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#if COMPILE_TEMPLATE_MMX
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x86_reg dummy=0;
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x86_reg dstW_reg = dstW;
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if(!(c->flags & SWS_BITEXACT)) {
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if (c->flags & SWS_ACCURATE_RND) {
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switch(c->dstFormat) {
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@ -1063,7 +1064,7 @@ static inline void RENAME(yuv2packedX)(SwsContext *c, const int16_t *lumFilter,
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:: "r" (&c->redDither),
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"m" (dummy), "m" (dummy), "m" (dummy),
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"r" (dest), "m" (dstW)
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"r" (dest), "m" (dstW_reg)
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: "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S
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);
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return;
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@ -1137,7 +1138,7 @@ static inline void RENAME(yuv2packedX)(SwsContext *c, const int16_t *lumFilter,
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:: "r" (&c->redDither),
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"m" (dummy), "m" (dummy), "m" (dummy),
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"r" (dest), "m" (dstW)
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"r" (dest), "m" (dstW_reg)
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: "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S
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);
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return;
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@ -2328,6 +2329,7 @@ static inline void RENAME(hyscale_fast)(SwsContext *c, int16_t *dst,
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#endif /* COMPILE_TEMPLATE_MMX2 */
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x86_reg xInc_shr16 = xInc >> 16;
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uint16_t xInc_mask = xInc & 0xffff;
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x86_reg dstWidth_reg = dstWidth;
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//NO MMX just normal asm ...
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__asm__ volatile(
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"xor %%"REG_a", %%"REG_a" \n\t" // i
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@ -2355,7 +2357,7 @@ static inline void RENAME(hyscale_fast)(SwsContext *c, int16_t *dst,
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" jb 1b \n\t"
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:: "r" (src), "m" (dst), "m" (dstWidth), "m" (xInc_shr16), "m" (xInc_mask)
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:: "r" (src), "m" (dst), "m" (dstWidth_reg), "m" (xInc_shr16), "m" (xInc_mask)
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: "%"REG_a, "%"REG_d, "%ecx", "%"REG_D, "%esi"
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);
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#if COMPILE_TEMPLATE_MMX2
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@ -2468,6 +2470,7 @@ static inline void RENAME(hcscale_fast)(SwsContext *c, int16_t *dst,
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#endif /* COMPILE_TEMPLATE_MMX2 */
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x86_reg xInc_shr16 = (x86_reg) (xInc >> 16);
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uint16_t xInc_mask = xInc & 0xffff;
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x86_reg dstWidth_reg = dstWidth;
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__asm__ volatile(
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"xor %%"REG_a", %%"REG_a" \n\t" // i
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"xor %%"REG_d", %%"REG_d" \n\t" // xx
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@ -2494,9 +2497,9 @@ static inline void RENAME(hcscale_fast)(SwsContext *c, int16_t *dst,
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/* GCC 3.3 makes MPlayer crash on IA-32 machines when using "g" operand here,
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which is needed to support GCC 4.0. */
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#if ARCH_X86_64 && AV_GCC_VERSION_AT_LEAST(3,4)
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:: "m" (src1), "m" (dst), "g" (dstWidth), "m" (xInc_shr16), "m" (xInc_mask),
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:: "m" (src1), "m" (dst), "g" (dstWidth_reg), "m" (xInc_shr16), "m" (xInc_mask),
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#else
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:: "m" (src1), "m" (dst), "m" (dstWidth), "m" (xInc_shr16), "m" (xInc_mask),
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:: "m" (src1), "m" (dst), "m" (dstWidth_reg), "m" (xInc_shr16), "m" (xInc_mask),
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#endif
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"r" (src2)
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: "%"REG_a, "%"REG_d, "%ecx", "%"REG_D, "%esi"
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